Mixing device for use with explosion-engines.



i H. w. ALLEN. MIXING DEVICE FOR USE WITH'EXPLOSION ENGINES.

v APPLICATION F'lLED MAY 25,*1915. Lwlm 5 Patenweb. 29, 1916.

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A from/E ys HERBERT W. ALLEN, 0F GQALINGr, CALIFOBNLQ..K y

MIXING JEVICE BOR USE WITH EXPLOSION-ENGINES.

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Application led May 25, 1915. ASerial No. 30,275.

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Be it known that 1, HERBERT W. ALLEN a citizen of the United States, and a resident of Coalinga, in the` county of Fresno and tion of the engine for regulating the amount of the charge of fuel admitted. y.

ln the drawings: Figure V'l is a longitudinal section of the improved device, Fig. 2 is an enlarged detail section of the' screen construction, and Fig. 3 is a section on the line'3-3 of Fig. 2.

The present embodiment of the invention comprises a casing 1 of circular cross section and provided at each end with an external marginal rib or flange 2 and 3, respectively. The ends of the casing are open, and at the end adjacent to the rib 3 the casing is provided with 'a lateral relief port to be later described.

The lower end of the casing, that is, the end adjacent to the rib 2 of the casing is cylindrical for a short distance and outside of the cylindrical portion the casing is counterbored as indicated at 4 to form an annular shoulder 5, and the. counterbored 40 portion is internally threaded as shown.

-rBetween the cylindrical portion of the bore and the end adjacent to the rib 3 the casing is, enlarged internally for a purpose to be presently described. Y, y

A seriesof sleeves 6, 7 and 8 is arranged within the casing, the sleeves 7 and 8 being on the outer and inner vsides of the sleeve 6. The sleeves are concentric and are arranged coaxial With the casing, and the sleeve 6 .has its upper end closed as indicated at 9. lEach sleeve 7 and 8 is'provided at its lower end With' an outwardly extending lateral l 'flange 10 and 11, respectively, and the -sleeve 7 is 0f an external .diameter to fit within thecylindrical portion of the bore of the casing. The flangelO of this sleeve is of an external rdiameter to t the counter.

Specification of Letters Patent. l

Patented Feb. 29, 1916.

bored portion of the bore of the casing, and the flange 10 abuts against the shoulder 5, as shown. v

The flange 11 of the sleeve 8 is of sutilc1ent width to abut at its periphery against the internal Surface of the counterbored portlon of the casing,'and the inner face of the sald flange abuts against or laps upon the outer faceof the flange 10,. These sleeves 6, 7 and 8 are held in place in the casing by means of an externally threaded ring 12, the

said ring being engaged with the threads oft the counterbored portion of the casing, and the ring7 clamps the flanges 10 andll of the sleeves and 8 against theshoulder 5 of the casing.y Thus" the sleeves '7 and 8 are held vimmovable in the casing, but the sleeve 6 is movable with respect tothe sleeves 7 and 8 y and longitudinally of the casing.

A coil spring 13 1s arranged within the sleeves, between the closed end 9 of the sleevel 6, and a bridge 14 extending transversely of the counterbored end of the casing, and the spring normally acts to draw the sleeve 6 toward the ring 12. The spring is connected at one end at the center of the closed end of the sleeve, and the movement of the sleeve 6 toward the ring l2 is limited by the engagement of the end thereof with the lange 11 of the sleve 8.

The sleeve 7 hasy annular series of radial ports or openings 15, three series being provided in the DISent instance, and the sleeve 8 has similar openings 16, the said openings 16 being arranged/similar to the openings 15 andcorresponding in number to the number of theJ openings 15, and the sleeves are lso arranged with respect to each other that the openings 15 of the sleeve 7 will register with the openings 16 of the sleeve 8. The sleeve`6 is alsoprovided with ports or openings 17 corresponding in numberto the number of the ports 15 or 16, and similarly arranged. The arrangement is such that when the sleeve 6 is in a certain predetermined position with respect to the sleeves 7 and 8, the ports 17 of the said sleeve will register with the ports15 and 16 of the sleeves 7 and 8.

1 NEach port of each sleeveis covered by a' the sleeve to which it is connected. vThe screens may be set in any desired position,

provided that they are Within the surface of the sleeve to which they pertain.

The spring 13 normally holds the sleevel 6 in its lowermost position, that is, in vsuch positlon that all of the ports 17 are out of register with the registering ports 15 and 16. When the sleeve 6 is moved upward orv toward the end of the casingv having the rib 3 the ports 17 will gradually comel into register with the ports 15 and 16 until finally all of the ports 17 will be in complete register'with all of the ports '15 or 16. The enlargement of the bore of the casing 1 between the cylindrical portion and the end adjacent to the rib 3 spaces the inner surface of the said casing apart from the outer surface of the, sleeve 7, so that the ports l5, 16 and 17 are freely open.

The improved device is adapted to be arranged between the carbureter and the cylp inder of the engine or motor in the connection between the carbureterand the motor, and in such manner that the mixture passing from the carbureter to the motor must pass through the casing 1. The end at therib 3 is adjacent to the cylinder of the engine,

' while thc endat the rib 2 is adjacent to the carbureter. Thus the mixture enters at the ring 12 and leaves the casing '1 at the oppo- Y" site end.

The valve 19 atthe port 26 ybefore mentioned, is a relief valve, and the said .valvel 1s tapering asr shown, and fits agalnst they similarly vshaped outer ,end of a nipple 20 at the port 26. The valve is secured to av stem 21, which is arranged to slide in a bearing 22 in aspider 23, which is connected with the nipple, the spider having a threaded ring threaded on to the nipple, and a coil spring 24 is arranged between the bearing 21 and the valve, and actslnormally to press the valve into closed position. The

lstem 21 is further guided`by a bearing 25,

held coaxial with the bearing 22, by a spider 27. This hearing 25 is at the opening or port 26.

In operation when the engine is in moregister with the registering ports 15 and 16.v The greater the pressure, that is, the4 .stronger the suction in the casing l, the farther the sleeve 6 will he moved, and the' more nearly the ports 17 will be brought into register with the ports 15 and 16. The air and fuel pass through the screens of the several ports, and thus the charge is thoroughlyvbroken and intimately mixed. As soon as the pressure tending to open the sleeve 6 relaxes the spring 13 will return the sleeve to original position. In case of:

Vspring 24 may' be varied to suit conditions.

Thel sleeve 6`is in fact a valve opened by the suction and closed by the spring. The sleeves 7 and 8 are coperating elements for guiding the sleeve or valve. Thus the mixture before it reaches the engine is thoroughly broken up and intimately mixed entering the cylinder of the engine 'as a homogeneous mixture, every part being uniform.

The coil spring 13 normally. presses thevalve sleeve 6 toward the carbureter, and stops 28 are provided for limiting the movement of the valve sleeve toward the engine. These stops extend inwardly from the end `of the casing 1 adjacent to the engine, in

-such position that their inner ends will engage the closed end of the sleeve when the sleeve is at the end of its movement towardl the engine. At this time the ports 17 are in complete register with the ports 15 and 16. That end of the casing adjacent to the rib 3 is adapted to be connected withvthe pipe 29 leading to the engines or forming a part thereof and the opposite end of the casing is intended for connection with the pipe 30 leading to the carbureter. or gaskets 31 are arranged between the pipes or connections 29-and 30 and the casing. 1t will be seen from an inspection of Figs. v2 and 3 that the screens 18 are held in place in the openings by solder 32, the said solder being arranged to form a species of frame complete encircling each screen and con-A necting the screen to the wall of the port or passage in which it is arranged. 1t will be noted from an inspection of -Fig. 3 that those portions of the sleeves 6, 7 and 8 hetween the openings. 15, 16 and 17, that is, the bridges, are beveled inwardly. That is, these portions are triangular in cross section and have their apices inward. This Packing rings arrangement is for the purpose of permitting a full opening of the ports at all positions.

1 claim 1. A device of the character specified, comprising a casingV having open ends and being internally enlarged intermediate its ends, said casing being counterbored at one end and having an annular shoulder between the counterbored portion and the interior of the casing, a pair of concentric sleeves arranged within the casing at the said counterbored end, said sleeves being spaced apart from each other, and each having yan outwardly extending iange fitting the counterbored portion of the casing, a holding ring threaded into the said counterbored portion and clamping the flanges against the shouladapted to register with the first-named ports when said last-named sleeve is moved away from the counterbored end of the casing, a spring arranged between the said sleeve and the counterbored end of the casing and normally holding the ports of the said last-named sleeve out of register with the ports of the other sleeves, said casing being adapted tovbe arranged between an engine and its carbureter and with the counterbored end adjacent to the carbnreter, a

l screen for each port of each sleeve,'said casing having a relief port near the opposite end from the eounterbored portion, and a spring controlled valve normally closing ,the

sald port.

2. A device of the character specified, comprising an approximately cyllndrical caslng adapted to be arranged between lanexlIl() adjacent to. the carbureter, the guide sleevesl plosion engine and a carbureter for conducting the charge from the carbureter to the engine, a pair .of sleeves arranged within the casing and detachably connected to the .casing at the end adjacent to the carbureter, the casing being spaced apart from the sleeves beyond the said end, and the said sleeves being spaced apart from each other and having annular series of ports, the ports of one sleeve registering with the ports of the other sleeve, a valve sleeve mounted to slide between the sleeves and having its inner end closed, means at the end of the casing adjacent to the engine for limiting the movement of the said sleeve toward the engine, the valve sleeve having annular series of ports adapted to register with the' ports `of the first-named sleeves'when the lastnamed sleeve is 'at the end ofits movement toward the engine and to be out of register with the ports' when the said last-named sleeve is at the -otherendof its movement, a spring-pressing the last-named sleeve toward the'carbureter, said casing having a relief port, and a spring controlled valve for the port. v

.3. A device of the character specified, comprising a casing having open ends and adapted to be arranged between aneX- l .v plosion engine anda carbureter for conducting lthe charge from the carbureter to the englne, a pair offguide sleeves detach-- ablyconnected with the casing at the end being spaced apart from each other, a valve sleeve slidable between the guide sleeves, and having its inner end closed, a; spring normally pressing the valve sleeve toward Athecarbureter, and astop for limiting the lit vsleeve connected to the casing at the end adjacent to the carbureter, a valve sleeve slidable on lthe guide sleeve and having its inner end closed, stops for limiting lthe movement of the valve sleeve toward the engine, a spring pressing the said sleeve in the opposite direction, said sleeves having ports adapted to register when the valve sleeve is at the end of itsv movement toward the engine and to be out of register when the valve sleeve is at the end of its movement toward the carbureter, screens at the ports, said casing having a relief port, and a spring controlled valve for the port.

5. A device of the character specified, com- -prising a casing having open ends and the engine and to be out of register when the valve seat is at the end of its movement toward the ica-rbureter, and screens at the ports. 4

6. A device of the character specified, comprising a casing having open ends andadapted to be arranged between an eX- plosion engine and litscarbureter, aA guidesleeve connected to the casing at the end adjacent to the carbureter, a valve sleeve slidable on the guide sleeve and .having its inner end closed, stops for limiting the movement of the valve sleeve toward the engine, a spring pressing the said sleeve in the opposite direction, said sleeves having vports adapted to register when the valve sleeve is at the end of its movement toward the engine and to be out of register when toward the carbureter.

HERBERT vv;v ALLEN.

Witnesses: G. W. LEYDER, W..G. S'rmms.I

`the valveseat is at the end of itsrmovement 

